EditorConfig helps developers define and maintain consistent coding styles between different editors and IDEs.
The EditorConfig project consists of a file format for defining coding styles and a collection of text editor plugins that enable editors to read the file format and adhere to defined styles. EditorConfig files are easily readable and they work nicely with version control systems.
vex is an alternative to virtualenv’s source wherever/bin/activate and deactivate, and virtualenvwrapper’s workon, and also virtualenv-burrito if you use that. It works in a more elegant way, though it does less. You might find it nicer to use. And it works with non-bash shells.
Penthouse is a tool generating critical path css for your web pages and web apps in order to speed up page rendering. Supply the tool with your site’s full CSS, and the page you want to create the critical CSS for, and it will return all the CSS needed to render the above the fold content of the page.
Pleeease is a CSS post-processor. The main goal of this tool is to perform all treatments that a pre-processor shouldn’t have to do! (eg, dealing with prefixes, convert rem to px, support older browsers, etc.).
Clib is a suite of small C libraries that you can manually copy/paste into your project, or you can use the clib C package manager to install and search for existing packages that exist in the registry — just a plain old GitHub wiki page.